Investigation of the friction and wear characteristics of Si3N4-hBN ceramic composites under marine atmospheric environment

被引：31

作者：

Chen, Wei ^{[1
]}

Wang, Kui ^{[1
]}

Liu, Xing ^{[1
]}

He, Nairu ^{[1
]}

Xin, Hua ^{[1
]}

Hao, Wenhui ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Coll Mech & Elect Engn, Xian 710021, Shaanxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2019年 / 81卷

关键词：

Marine atmosphere; Friction; Si3N4-hBN; Tribo-chemical films; Critical shear force; TRIBOLOGICAL PROPERTIES; SILICON-NITRIDE; PERFORMANCE; BEHAVIOR; FILM; LUBRICATION; AL2O3; STEEL; WATER; WC;

D O I：

10.1016/j.ijrmhm.2019.03.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The tribological properties of Si3N4-hBN in marine atmosphere and deionized water atmosphere were investigated by using Pin-On-Disc (POD) tribometer. In comparison, the friction coefficients of the sliding pairs in marine atmosphere were lower than that in the deionized water atmosphere. Furthermore, the tribo-chemical films were observed on the worn surface of titanium alloy against Si3N4-20 wt%hBN in marine atmosphere, which provided a certain bearing capacity between sliding pairs. Meanwhile, it can be concluded that the tribochemical films possessed lower shear force through theoretical analysis. Thus, the lower friction coefficient and wear rate were obtained in this study.

引用

页码：345 / 357

页数：13

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